(4-Iodophenyl)diphenylsulfonium triflate
(4-Iodophenyl)diphenylsulfonium triflate (CAS: 255056-46-3; Formula: C19H14F3IO3S2; Molar Mass: 538.34 g/mol) is a specialised organic photoinitiator and photoacid generator. It functions effectively in cationic photopolymerisation processes, finding utility in advanced materials science and micro/nanoelectronics applications. This compound is crucial for formulating photoresists and enabling precision curing in various industrial settings requiring light-activated polymerisation.
- IUPAC
- (4-Iodophenyl)diphenylsulfonium trifluoromethanesulfonate
Cationic Photoinitiator
This compound serves as an effective photoinitiator for cationic polymerisation. Upon exposure to UV light, it generates cations that initiate the polymerisation of monomers, enabling rapid curing processes in coatings, inks, and adhesives.
Photoacid Generator (PAG)
As a photoacid generator, it releases a strong acid upon irradiation. This property is extensively utilised in photolithography for microelectronics fabrication, where the generated acid catalyzes chemical changes in photoresist materials.
Materials Science
Its ability to initiate polymerisation and generate acids makes it valuable in advanced materials science research and development. Applications include the synthesis of specialised polymers and the creation of patterned surfaces.
Micro/Nanoelectronics
In the field of micro- and nanoelectronics, this sulfonium salt is employed in the formulation of advanced photoresists. It facilitates high-resolution patterning required for semiconductor manufacturing and other microfabrication processes.
| Molecular weight | 538.34 |
|---|---|
| Empirical formula | C19H14F3IO3S2 |
| Application | Cationic photoinitiator. Photoacid generator. |
| Melting point | 155-160 °C(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | λmax 262 nm |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is (4-Iodophenyl)diphenylsulfonium triflate used for?
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(4-Iodophenyl)diphenylsulfonium triflate is used as a cationic photoinitiator and photoacid generator, particularly in photolithography, photoresists, materials science, and micro/nanoelectronics applications.
What are the CAS number and formula for (4-Iodophenyl)diphenylsulfonium triflate?
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The CAS number is 255056-46-3 and the molecular formula is C19H14F3IO3S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with a typical purity of >98%. It is suitable for research and industrial applications. We do not represent this product as meeting USP, BP, EP, or any other pharmacopoeia standards.
How should (4-Iodophenyl)diphenylsulfonium triflate be handled?
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This compound is a Warning substance that may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves, in a well-ventilated area. Avoid breathing dust and ensure proper disposal.
Is (4-Iodophenyl)diphenylsulfonium triflate a controlled substance?
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Based on the provided data, there is no indication that (4-Iodophenyl)diphenylsulfonium triflate is a controlled substance.
How is (4-Iodophenyl)diphenylsulfonium triflate packed, shipped, and exported?
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Products are carefully packed according to international shipping regulations and are available for global export. Specific packaging details will be provided with your quotation.
How can I request a sample or quote for (4-Iodophenyl)diphenylsulfonium triflate?
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To request a sample or a quotation, please use the contact form on our website or call our sales department. Please reference the product name and CAS number (255056-46-3).
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